Green Brook township, New Jersey Population 2024

7,267

Green Brook township is located in Somerset County New Jersey. Green Brook township has a 2024 population of 7,267. Green Brook township is currently declining at a rate of -0.33% annually but its population has increased by 0.11% since the most recent census, which recorded a population of 7,259 in 2020.

The average household income in Green Brook township is $213,019 with a poverty rate of 6.74%. The median age in Green Brook township is 45.5 years: 40.6 years for males, and 47 years for females.

Green Brook township Demographics

According to the most recent ACS, the racial composition of Green Brook township was:

  • White: 58.02%
  • Asian: 24.42%
  • Other race: 9.16%
  • Two or more races: 8.09%
  • Native American: 0.3%
  • Black or African American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
4.4 sq mi
Density (mi²)
1,648.80/sq mi
Growth Since 2020
0.11% (8)
The current population of Green Brook township, New Jersey is 7,267 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 7,259.

Population by Race

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Race
Population
Percentage (of total)
White4,03658.02%
Asian1,69924.42%
Other race6379.16%
Two or more races5638.09%
Native American210.3%
Black or African American00%
Native Hawaiian or Pacific Islander00%

White

Asian

Other race

Two or more races

Native American

Black or African American

Native Hawaiian or Pacific Islander

Green Brook township Population by Race

Green Brook township Population Pyramid 2024

Green Brook township Median Age

45.5

Total

40.6

Male

47

Female

Green Brook township Adults

There are 5,553 adults, (938 of whom are seniors) in Green Brook township.

Green Brook township Age Dependency

50.7

Age Dependency Ratio

20.3

Old Age Dependency Ratio

30.4

Child Dependency Ratio

Green Brook township Sex Ratio

Female3,08344.32%
Male3,87355.68%

Green Brook township Population by Age

Green Brook township Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,2752.9592.77.3
Married1,4173.4592.27.8
Non Family4841.351000
Female3233.1982.417.6
Male513.141000

3.34

Average Family Size

2.95

Average Household Size

92.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Green Brook township Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade1573.29%
Associates Degree2024.23%
Bachelors Degree1,55232.52%
Graduate Degree94219.74%
High School Graduate1,00721.1%
Less Than 9th Grade1573.29%
Some College75615.84%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Green Brook township Educational Attainment by Sex (over 25)

Green Brook township Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White2,9522,8931,481
Asian1,036950712
Hispanic764603305
Other Race433264112
2+ Races234234112
Native American21210

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 68.73%.

Green Brook township Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$87,862$105,625$83,702
Graduate Degree$126,625$153,850$102,165
High School Graduate$50,815$55,284$50,679
Less Than 9th Grade$31,316$45,647$30,362
Overall$80,554$82,614$76,205
Some College$73,693$72,757$74,702

$80,554

Average Earnings

$82,614

Average Male

$76,205

Average Female

Green Brook township Earnings by Educational Attainment

Green Brook township Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Green Brook township Language

63.81% of Green Brook township residents speak only English, while 36.19% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 16.67% of the population.

Green Brook township Language

Green Brook township Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Asian1,69928816.95%
White3,7691082.87%
Multiple5636511.55%
Hispanic1,263221.74%

6.74%

Overall Poverty Rate

9.2%

Male Poverty Rate

3.66%

Female Poverty Rate

Poverty in Green Brook township

The race most likely to be in poverty in Green Brook township is Asian, with 16.95% below the poverty level.

The race least likely to be in poverty in Green Brook township is Hispanic, with 1.74% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 5.36%, and for those that did not work, the poverty rate was 26.25%.

Green Brook township Poverty

rate

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Rate
Poverty
High School8.46%
Some College5.94%
Bachelors or Greater3.96%
Less Than 9th Grade0%

Green Brook township Poverty Rate by Education

rate

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Rate
Poverty
Male Employed2.44%
Female Employed0.83%
Male Unemployed0%
Female Unemployed0%

Green Brook township Poverty Rate by Employment Status and Sex

Green Brook township Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$193,854$225,072
Households$202,321$213,019
Married Families$220,865$-999,999,999
Non Families-$157,347

mean

median

Income by Household Type

Green Brook township Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.3%

Overall Marriage Rate

56.8%

Male Marriage Rate

51.2%

Female Marriage Rate

Green Brook township Married by Age and Sex

male

female

Green Brook township Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Green Brook township Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Green Brook township Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

229

Number of Veterans

185

Male Veterans

44

Female Veterans

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War
Veterans
Vietnam71
First Gulf War54
Second Gulf War45
Korea0
World War II0

Green Brook township Veterans by War

count

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Age Group
Veterans
35 to 5479
75+56
55 to 6444
65 to 7430
18 to 3420

Green Brook township Veterans by Age

count

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Name
Veterans
% of Total
White1855.18%
Hispanic697.92%
Other Race4410.16%

Green Brook township Veterans by Race

Green Brook township Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.94%

Veteran Poverty Rate

14.61%

Veteran Disability Rate

Green Brook township Veterans by Education

LaborForceParticipation

70.5%

Labor Force Participation

67.1%

Employment Rate

4.8%

Unemployment Rate

Green Brook township Employment by Age

LaborForceParticipation

Green Brook township Employment by Race

LaborForceParticipation

Green Brook township Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

54%

Born in Green Brook township

72.1%

Native Born

27.9%

Foreign Born

8.47%

Non Citizen

19.44%

Naturalized

Place of Birth

72.1% of Green Brook township residents were born in the United States, with 54% having been born in New Jersey. 8.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Green Brook township Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20297,147-24-0.33%
20287,171-24-0.33%
20277,195-24-0.33%
20267,219-24-0.33%
20257,243-24-0.33%
20247,267-24-0.33%
20237,291-24-0.33%
20227,315-5-0.07%
20217,320610.84%
20207,2592173.08%
20197,042-50-0.71%
20187,092-16-0.23%
20177,108-27-0.38%
20167,135-8-0.11%
20157,143-35-0.49%
20147,178-22-0.31%
20137,200-6-0.08%
20127,20650.07%
20117,201200.28%
20107,18100%

Green Brook township Population by Year